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Finding the Fourth Proportional to 274,444.40, 411,666.60 and 108,210.80

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Solution

The fourth proportional to 274,444.40, 411,666.60 and 108,210.80 is: 162,316.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,444.40 : 411,666.60 = 108,210.80 : x
  2. Step 2: Convert to fraction form
    274,444.40/411,666.60 = 108,210.80/x
  3. Step 3: Cross multiply
    274,444.40x = 411,666.60 × 108,210.80
  4. Step 4: Simplify right side
    274,444.40x = 44,546,772,119.28
  5. Step 5: Solve for x
    x = 44,546,772,119.28/274,444.40
  6. Step 6: Final answer
    x = 162,316.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.